Ia 175 over High ST
FairSac County, Iowa · 1.9 Mi. E of SR M64 · Structure no. 000000000046630
- Built
- 1934
- 91 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 2,540
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 175 over High ST is a concrete culvert carrying Ia 175 over High ST in Sac County, Iowa. It was built in 1934, so it is 91 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,540 vehicles a day, roughly 22% of them trucks, projected to reach 2,540 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 175 over High ST built?
It was built in 1934, making it 91 years old in 2025.
What condition is Ia 175 over High ST in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does Ia 175 over High ST carry?
About 2,540 vehicles per day (2023 count), of which roughly 22% are trucks.
How long is Ia 175 over High ST?
The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m).
Who owns Ia 175 over High ST?
It is owned by the State Highway Agency.